Add 3/70 and 9/63
3/70 + 9/63 is 13/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
3/70 = 3 × 9/70 × 9 = 27/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
9/63 = 9 × 10/63 × 10 = 90/630 - Add the two like fractions:
27/630 + 90/630 = 27 + 90/630 = 117/630 - 117/630 simplified gives 13/70
- So, 3/70 + 9/63 = 13/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/70+9/63 3/70+18/63 9/70+9/63 3/70+27/63 15/70+9/63 3/70+45/63 21/70+9/63